51855560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 128692800

約数和(自身を除く): 76837240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 71, 76, 95, 124, 142, 152, 155, 190, 248, 284, 310, 355, 380, 568, 589, 620, 710, 760, 961, 1178, 1240, 1349, 1420, 1922, 2201, 2356, 2698, 2840, 2945, 3844, 4402, 4712, 4805, 5396, 5890, 6745, 7688, 8804, 9610, 10792, 11005, 11780, 13490, 17608, 18259, 19220, 22010, 23560, 26980, 36518, 38440, 41819, 44020, 53960, 68231, 73036, 83638, 88040, 91295, 136462, 146072, 167276, 182590, 209095, 272924, 334552, 341155, 365180, 418190, 545848, 682310, 730360, 836380, 1296389, 1364620, 1672760, 2592778, 2729240, 5185556, 6481945, 10371112, 12963890, 25927780, 51855560]

約数ペア:

[(1, 51855560), (2, 25927780), (4, 12963890), (5, 10371112), (8, 6481945), (10, 5185556), (19, 2729240), (20, 2592778), (31, 1672760), (38, 1364620), (40, 1296389), (62, 836380), (71, 730360), (76, 682310), (95, 545848), (124, 418190), (142, 365180), (152, 341155), (155, 334552), (190, 272924), (248, 209095), (284, 182590), (310, 167276), (355, 146072), (380, 136462), (568, 91295), (589, 88040), (620, 83638), (710, 73036), (760, 68231), (961, 53960), (1178, 44020), (1240, 41819), (1349, 38440), (1420, 36518), (1922, 26980), (2201, 23560), (2356, 22010), (2698, 19220), (2840, 18259), (2945, 17608), (3844, 13490), (4402, 11780), (4712, 11005), (4805, 10792), (5396, 9610), (5890, 8804), (6745, 7688)]